Related Clues:

• 20-20, e.g.
• Fence feature
• Shipping method
• Stairwell item
• 50-50, e.g.
• One way to go (with ''by'')
• Formal wear
• Attach
• Fulminate
• Ring around the collar?
• Track supporter
• Subway feature
• Unsatisfying game result
• Mass transit mode
• Casual Friday castoff